*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: "Helvetica Neue", Helvetica, "PingFang SC", Tahoma, Arial, sans-serif;
}

.container{
    width: 1500px;
    margin: 0 auto;
}

.lf{
    float: left;
}
.rt{
    float: right;
}
.clear::after{
    clear: both;
    display: block;
    content: "";
}
.w100{
    width: 100%;
}
.w70{
    width: 70%;
}
.w30{
    width: 30%;
}
.w40{
    width: 40%;
}
.w60{
    width: 60%;
}
.w50{
    width: 50%;
}
h1,h2,h3,h4,h5,h6{
    font-weight: normal;
}
h1{
    color: #333333;
    margin: 20px 0px 20px;
    font-weight: 500;
}
i,em{
    font-style: normal;
}
b,strong{
    font-weight: normal;
}
ul,ol,li{
    list-style: none;
}
sub,sup{
    vertical-align: bottom;
}
img{
    width: 100%;
}
a, a:link, a:visited, a:hover, a:active{
    text-decoration: none;
    color: inherit;
}
input,select,textarea{
    outline: none;
}

